Merge pull request #2183 from llyzs/llyzs

Removed library prefix on Windows def files.
Merge pull request #2185 from llyzs/llyzs

Server-side AutoDetect fixes
Offer to disable bulk compression when using remoteFx

This patch adds a skipCompression field in surface commands struct so that
we can disable bulk compression with remoteFx.
Merge pull request #2186 from hardening/rfx_no_compression

Offer to disable bulk compression when using remoteFx
libfreerdp-core: support continuous auto-detection.